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Re: [OM] OM 100/2.8 question

Subject: Re: [OM] OM 100/2.8 question
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Thu, 26 Sep 2013 18:50:28 -0400
and in the late 70s, tests of this lens in Japanese "consumer reports" 
type magazine (with no advertisers to please) showed it performed better 
than the then-mythical Nikkor 105mm f2.5.

___________________________________
John Hermanson  |   CPS, Inc.
21 South Ln., Huntington NY 11743
www.zuiko.com  | omtech1@xxxxxxxxxxx
Olympus OM Service since 1977


On 9/26/2013 12:19 PM, Ken Norton wrote:
> Until the mid '80s, they were silvernosed. The coatings did change
> through the production run, and the final ones before black-nose had
> all but the green reflection. The later, black-nosed ones are fully
> multi-coated.
>
> As with the 50mm lenses, there was some optical changes through the
> years too. The earlier ones tended to be sharper in the center with a
> loss of sharpness in the corners. The later ones sharpened up the
> corners, but the center isn't quite as sharp. The later ones have a
> near uniform sharpness across the entire image area.
>
> As to the overall sharpness quality of the 100/2.8, my particular
> sample, which is the immediate precurser to the blacknosed version, is
> as sharp as the 100/2.
>
> AG
>
> On Thu, Sep 26, 2013 at 8:59 AM, Paul Braun <pbraun42@xxxxxxxxx> wrote:
>> As an intermediate step to the yet-to-be-released Wonder Lens, I'm going to
>> pick up a clean 100/2.8.  I've seen a couple of listings that mention
>> "early version".  What's the history on this lens?  Is there a more
>> desirable version, and is the serial number the only way to tell?
>>
>> Thanks.
>>
>> --
>>
>> Paul Braun
>> Music Junkie
>>
>> "Music washes from the soul the dust of everyday life." -- Harlan Howard
>> --
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>>
>
>
>
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